1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 09 29 N-STATUS No Replacement Named, No known use C. Mracna, NA 2005 01 27 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.12, 3.13 & 4 1998 11 10 Activated L. Hess Printed copies are uncontrolled Copyright 2009, Ford Global Technologies,
2、LLC Page 1 of 4 POLYURETHANE FOAM, CLOSED CELL, STANDARD WSS-M2D500-A1 POLYURETHANE FOAM, CLOSED CELL, HIGH TEMPERATURE WSS-M2D500-A2 NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by these specifications is a completely closed cell, polyurethane foam. 2. APPLICATION These specification
3、s were released originally for material used on an endcap seal for the air cleaner filter elements. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). A
4、1 A2 3.4 DENSITY, kg/m3402 552 445 547 (ISO 1183, Method A/ ASTM D 792, Method A1) 3.5 HARDNESS, Durometer A, +/- 5 35 30 (ISO 868/ASTM D 2240, instantaneous, held for 9 to 11 seconds) 3.6 TENSILE STRENGTH, kPa min 1000 800 (ISO 2240/ASTM D3574 Test E) 3.7 ELONGATION AT BREAK, % min 90 95 (Test acco
5、rding to para 3.6) 3.8 TEAR RESISTANCE, N/m min 4600 3000 (ASTM D 624, Die C) 3.9 CONSTANT DEFLECTION COMPRESSION 30 20 TEST, % max Test conducted Test conducted (ISO 2440/ASTM D 3574, TEST D, at 70 C +/- 2 at 102 C +/- 2 22 h at 70 C/102 C, 50% deflection) ENGINEERING MATERIAL SPECIFICATIONWSS-M2D5
6、00-A1/A2Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 2 of 4 A1 A2 3.10 HEAT AGING, (ISO 2440/ASTM D 3574, Test K, 70 h at 102 +/- 2 C) Hardness Durometer A Change, pts +/- 10 +/- 10 Tensile Strength Change, % max +/- 25 +/- 20 (Test according to para 3.6) Elonga
7、tion Change, % max +/- 25 +/- 20 (Test according to para 3.7) Tear resistance Change, % max -40 -20 (Test according to para 3.8) 3.11 HUMIDITY AGING, (ASTM D 2240, 7 Days at 60 C and 100% humidity) Hardness Durometer A Change, points +/- 10 +/- 10 Tensile Strength Change, % max +/- 50 +/- 20 (Test a
8、ccording to para 3.6) Elongation Change, % max +/- 50 +/- 20 (Test according to para 3.7) Tear Resistance Change, % max +/- 50 +/- 25 (Test according to para 3.8) ENGINEERING MATERIAL SPECIFICATIONWSS-M2D500-A1/A2Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 3 of 4 ENGINEERING MATERIAL SPECIFICATIONWSS-M2D500-A1/A2Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 4 of 4
